Kh? n?ng ti?p c?n phân bón: S? ti?p c?n và kh? n?ng thu ???c phân bón t? ngu?n g?c ??ng v?t hay th?c v?t c?ng có th? ?nh h??ng ??n quy?t ??nh s? d?ng.Vietnam sulphate of potash, also referred to as SOP, or potassium sulfate or potassium sulphate. This is a absolutely h2o-soluble potassium and Sulphur fertilizer and free of hefty metals.S? thi… Read More